Home / 891,284.31-1,229,968.80-483,384.51

Finding the Fourth Proportional to 891,284.31, 1,229,968.80 and 483,384.51

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Solution

The fourth proportional to 891,284.31, 1,229,968.80 and 483,384.51 is: 667,068.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,284.31 : 1,229,968.80 = 483,384.51 : x
  2. Step 2: Convert to fraction form
    891,284.31/1,229,968.80 = 483,384.51/x
  3. Step 3: Cross multiply
    891,284.31x = 1,229,968.80 × 483,384.51
  4. Step 4: Simplify right side
    891,284.31x = 594,547,865,703.29
  5. Step 5: Solve for x
    x = 594,547,865,703.29/891,284.31
  6. Step 6: Final answer
    x = 667,068.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.